- Create a firebase app
- Install the google-services.json
- Import Google Sign-In & Firebase Auth plugins
- Wire up the sign-in
Firebase Auth Plugin
https://github.com/flutter/plugins/tree/master/packages/firebase_auth
Firebase Console
https://console.firebase.google.com
Pub Google Sign-in Installation Instructions
https://pub.dartlang.org/packages/google_sign_in#installing
Pub Firebase Installation Instructions
https://pub.dartlang.org/packages/firebase_auth
